Retired Infantryman Brendan M. Marrocco wheels himself into a news conference followed by surgeons, from left, W.P. Andrew Lee, M.D., Jamie Shores M.D., Patrick L. Basile M.D. and Gerald Brandacher M.D. Tuesday, Jan. 29. 2013 at Johns Hopkins hospital in Baltimore.  Marrocco received a transplant of two arms from a deceased donor after losing all four limbs in a 2009 roadside bomb attack in Iraq. (AP Photo/Gail Burton)
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